VERIATIONS ON SEVERAL CHARACTERISTICS OF FOUR RATTAN CANE SPECIES A STUDY OF VESSEL ELEMENTS OF RATTAN CANES TESTING OF AXIAL TENSILE STRENGTH OF RATTAN CANES Anatomical Characteristics of Three Commercial Rattan Canes in South China Basic Components and Chemical Properties of the Cane of Daemonorops margaritae Distribution of Vascular Tissue in Four Rattan Canes